R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'cloudml'

cloudml::deployment |  | Deploying Models | HTML | source | R code
cloudml::getting_started |  | Getting Started | HTML | source | R code
cloudml::storage |  | Google Cloud Storage | HTML | source | R code
cloudml::training |  | Training with CloudML | HTML | source | R code
cloudml::tuning |  | Hyperparameter Tuning | HTML | source | R code